diff --git a/backend/app/api/api_v1/routers/platform.py b/backend/app/api/api_v1/routers/platform.py
index b064e31..fcc2c9b 100644
--- a/backend/app/api/api_v1/routers/platform.py
+++ b/backend/app/api/api_v1/routers/platform.py
@@ -346,7 +346,10 @@ async def create_userdomain(
     db=Depends(get_db),
 ):
     try:
-        domain = add_userdomain(db,user.id,userid,domainid)
+        if user.is_superuser:
+            domain = add_admindomain(db,userid,domainid)
+        else:
+            domain = add_userdomain(db,user.id,userid,domainid)
         return ApiReturnModel(data = domain)
     except Exception as e:
         raise APIException('platform:domain',request.url._url,f"Error occurred while add user({userid}) domain:",e)
diff --git a/backend/app/db/crud.py b/backend/app/db/crud.py
index f0b64ff..565479b 100644
--- a/backend/app/db/crud.py
+++ b/backend/app/db/crud.py
@@ -336,6 +336,14 @@ def edit_domain(
     return db_domain
 
 
+def add_admindomain(db: Session,userid:int,domainid:int):
+    db_domain = db.query(models.Domain).filter(and_(models.Domain.id == domainid,models.Domain.is_active)).first()
+    if db_domain:
+        user_domain = models.UserDomain(userid = userid, domainid = domainid )
+        db.add(user_domain)
+        db.commit()
+    return db_domain
+
 def add_userdomain(db: Session,ownerid:int, userid:int,domainid:int):
     db_domain = db.query(models.Domain).filter(and_(models.Domain.id == domainid,models.Domain.ownerid == ownerid,models.Domain.is_active)).first()
     if db_domain: